package com.wzy.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.wzy.reggie.common.R;
import com.wzy.reggie.dto.SetmealDto;
import com.wzy.reggie.entity.Category;
import com.wzy.reggie.entity.Setmeal;
import com.wzy.reggie.service.CategoryService;
import com.wzy.reggie.service.SetmealDishService;
import com.wzy.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@RestController
@RequestMapping("/setmeal")
public class SetmealController {
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增套餐
     * @param setmealDto
     * @return
     */
    @PostMapping
    @CacheEvict(value = "setmealCache",allEntries = true)
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info("套餐信息：{}",setmealDto);
        setmealService.saveWithDish(setmealDto);
        return R.success("新增套餐成功");
    }

    /**
     * 分页查询显示
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        //分页构造器
        Page<Setmeal> pageInfo = new Page<>(page,pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        //条件构造器
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //添加过滤条件
        queryWrapper.like(name!=null,Setmeal::getName,name);
        //添加排序条件
        queryWrapper.orderByAsc(Setmeal::getUpdateTime);
        //分页查询
        setmealService.page(pageInfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();
        List<SetmealDto> list = records.stream().map((item)->{
            SetmealDto setmealDto = new SetmealDto();
            //将item中其他属性拷贝到setmealDto中
            BeanUtils.copyProperties(item,setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类名称
            Category category = categoryService.getById(categoryId);
            if(category!=null){
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);
        return R.success(dtoPage);

    }

    /**
     * 删除套餐
     * @param ids
     * @return
     */
    @DeleteMapping
    @CacheEvict(value = "setmealCache",allEntries = true)
    public R<String> delete(@RequestParam List<Long> ids){
        log.info("ids:{}",ids);
        setmealService.removeWithDish(ids);
        return R.success("删除成功");
    }

    /**
     * 套餐停售 /批量停售
     * @param ids
     * @return
     */
    @PostMapping("/status/0")
    public R<String> stop(@RequestParam List<Long> ids){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.in(Setmeal::getId,ids);
        List<Setmeal> list = setmealService.list(queryWrapper);
        list = list.stream().map((item)->{
            item.setStatus(0);
            return item;
        }).collect(Collectors.toList());
       setmealService.updateBatchById(list);
       return R.success("更新成功");
    }
    /**
     * 套餐起售 /批量起售
     * @param ids
     * @return
     */
    @PostMapping("/status/1")
    public R<String> begin(@RequestParam List<Long> ids){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.in(Setmeal::getId,ids);
        List<Setmeal> list = setmealService.list(queryWrapper);
        list = list.stream().map((item)->{
            item.setStatus(1);
            return item;
        }).collect(Collectors.toList());
        setmealService.updateBatchById(list);
        return R.success("更新成功");
    }

    /**
     * 移动端根据条件查询套餐
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    @Cacheable(value = "setmealCache",key = "#setmeal.categoryId + '_' + #setmeal.status")//动态生成key
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId()!=null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus()!=null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);
        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }
    /**
     * 根据id查询套餐信息和对应的菜品信息
     * @return
     */
    @GetMapping("/{id}")
    public R<SetmealDto> get(@PathVariable Long id){

        SetmealDto byIdWithFlavor = setmealService.getByIdWithFlavor(id);

        return R.success(byIdWithFlavor);
    }

    /**
     * 修改套餐
     * @param setmealDto
     * @return
     */
    @PutMapping
    @CacheEvict(value = "setmealCache",allEntries = true)
    public R<String> update(@RequestBody SetmealDto setmealDto){
        log.info("dishDto:{}",setmealDto);
        setmealService.updateWithFlavor(setmealDto);
        return R.success("修改菜品成功");
    }
}
